The phrase "all but repudiated" is correct and usable in written English.
It can be used to indicate that something has been almost completely rejected or disavowed, but not entirely.
Example: "The committee's findings were all but repudiated by the new evidence presented."
Alternatives: "virtually rejected" or "practically disavowed".
He all but repudiated a central commitment by euro-zone leaders that, once a single supervisor is in place, the common rescue funds could be used directly to recapitalise troubled banks.
The first couple months of this administration were not very successful for Mr. Powell, whose policies of building a regional consensus against Iraq and continuing engagement with North Korea were all but repudiated after he announced them.
Mr. Kerry also voted for the antiterrorism law known as the USA Patriot Act, which he has since all but repudiated, telling Democratic audiences that the best thing Congress put into that law was a sunset clause that will make it expire next year, unless Congress renews it.
For all its superficial idealism, the critics insist, his campaign is a conduit through which fundamentally poisonous ideas are entering the mainstream body politic, and thus he needs to be not only defeated but repudiated.
Mr. Paul did not respond to an interview request, but repudiated the writings in 2008.
All these she repudiated in turn.
The suspects all repudiated their confessions later, but the judge in the case, Thomas B. Galligan, ruled that the statements were admissible.
In a somewhat dissonant posture, the monetary fund has split the difference: reassessing its views on austerity, pushing strongly for aggressive measures to bolster growth but all without repudiating its existing programs.
But he repudiated the work sold in his name.
But she repudiated his offer of companionship in her unrequited love.
The investigators said that Mr. Jowers provided his account once under oath, but later repudiated it.
